cis-1,2-Dichloroethylene
Springport Water District #1 - South
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
0
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 1.04 ppb | 4 | 4 | 0.550 ppb - 1.30 ppb |
| 2015 | 0.908 ppb | 4 | 4 | 0.710 ppb - 1.10 ppb |
| 2016 | 1.07 ppb | 4 | 4 | 0.770 ppb - 1.40 ppb |
| 2017 | 1.15 ppb | 3 | 3 | 0.620 ppb - 2.20 ppb |
| 2018 | 0.1000 ppb | 5 | 1 | ND - 0.500 ppb |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|